Colour

#001C77

#001C77
Blue
Dark
Nearest: Midnight blue

#001C77 is a blue with RGB values 0, 28, 119 and HSL 226°, 100%, 23%. It is a dark colour, so white text on it reaches 14.7:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#001C77#001C77

HEX#001C77

RGBrgb(0, 28, 119)

RGB (0–1)0, 0.1098, 0.4667

RGB percentages0%, 11%, 46.7%

HSLhsl(225.9, 100%, 23.3%)

HSV / HSBhsv(225.9, 100%, 46.7%)

CMYK100%, 76.5%, 0%, 53.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer7,287

CSS custom property--colour: #001C77;

Brightness & contrast

Relative luminance0.02162WCAG 2.x, 0 is black and 1 is white

Perceived brightness45.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.66:1

Contrast with white14.66:1WCAG normal text: AAA

Contrast with black1.43:1WCAG normal text: Fail

Greyscale equivalent#1D1D1D

Inverted#FFE388

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#002E7Ano red cones; affects about 1% of men; ΔE 14.1 from the original

Deuteranopia#002375no green cones; the most common form, about 1% of men; ΔE 7 from the original

Tritanopia#003748no blue cones; rare, and affects men and women equally; ΔE 55.7 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text14.66:1WCAG large text: AAA

Contrast with black, large text1.43:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 3.9 Dark slateblue · ΔE 19 Navy · ΔE 20.4 Indigo · ΔE 21.3 Rebecca purple · ΔE 21.4 Dark blue · ΔE 24.9

Nearest named CSS colourMidnight blue (#191970)ΔE 3.93, a close match

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#775B00

Analogous#005877, #1F0077

Triadic#77001C, #1C7700

Split complementary#771F00, #587700

Tetradic#770058, #775B00, #00771F

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#4470FF

Lighter +30%#1149FF

Lighter +20%#0034DD

Lighter +10%#0028AA

Darker −10%#001044

Darker −20%#000411

Darker −30%#000000

Darker −40%#000000

More saturated +25%#001C77

Less saturated −25%#0F2468

Channel breakdown

G28

B119

Red0 (0%)

Green28 (11%)

Blue119 (46.7%)

Hue225.88°

Saturation (HSL)100%

Lightness23.33%

Dominant channelBlue

Hex per channelR 00 · G 1C · B 77

Keep nerding

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#001C77

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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